ale/ale_linters/ruby/solargraph.vim

" Author: Horacio Sanson - https://github.com/hsanson
" Description: Solargraph Language Server https://solargraph.org/
"
" Author: Devon Meunier <devon.meunier@gmail.com>
" Description: updated to use stdio

call ale#Set('ruby_solargraph_executable', 'solargraph')
call ale#Set('ruby_solargraph_options', {})

function! ale_linters#ruby#solargraph#GetCommand(buffer) abort
    return '%e' . ale#Pad('stdio')
endfunction

call ale#linter#Define('ruby', {
\   'name': 'solargraph',
\   'lsp': 'stdio',
\   'language': 'ruby',
\   'executable': {b -> ale#Var(b, 'ruby_solargraph_executable')},
\   'command': function('ale_linters#ruby#solargraph#GetCommand'),
\   'project_root': function('ale#ruby#FindProjectRoot'),
\   'initialization_options': {b -> ale#Var(b, 'ruby_solargraph_options')},
\})